move setup code to rw.scope

rw/httpbase.py

@@ -73,22 +73,12 @@ def configure(self):
 
     @gen.coroutine
     def _scoped_configure(self):
-        self.rw_settings = rw.cfg.read_configs(self.root.name)
+        yield rw.scope.setup_app_scope(self.root.name, self.scope)
+        self.rw_settings = self.scope['settings']
         cfg_rw_http = self.rw_settings.setdefault('rw.http', {})
         cfg_rw_http['live_settings'] = self.settings
-        self.scope['settings'] = self.rw_settings
-        # load plugins
-        plugins = []
-        for plugin_name, active in self.rw_settings.get('rw.plugins', {}).items():
-            plugin = __import__(plugin_name)
-            plugin_path = plugin_name.split('.')[1:] + ['plugin']
-            for sub in plugin_path:
-                plugin = getattr(plugin, sub)
-            plugins.append(self.scope.activate(plugin))
-
         self._configure_cookie_secret()
 
-        yield plugins
         yield self.scope.activate(self.root)
 
     def _configure_cookie_secret(self):

rw/scope.py

@@ -13,12 +13,16 @@
 # under the License.
 from __future__ import absolute_import, division, print_function, with_statement
 
-from tornado import stack_context, gen
 import contextlib
 import functools
-
 import inspect
 
+from tornado import stack_context
+
+import rw.cfg
+from . import gen
+
+
 NOT_PROVIDED = object()
 SCOPE_CHAIN = None
 
@@ -154,4 +158,23 @@ def wrapper(*args, **kwargs):
                         pass
         return fn(*args, **kwargs)
 
-    return wrapper
+    return wrapper
+
+
+@gen.coroutine
+def setup_app_scope(name, scope):
+    """Load confing and activate plugins accordingly"""
+    settings = rw.cfg.read_configs(name)
+    scope['settings'] = settings
+
+    # load plugins
+    plugins = []
+    for plugin_name, active in settings.get('rw.plugins', {}).items():
+        plugin = __import__(plugin_name)
+        plugin_path = plugin_name.split('.')[1:] + ['plugin']
+        for sub in plugin_path:
+            plugin = getattr(plugin, sub)
+        plugins.append(scope.activate(plugin))
+
+    yield plugins
+    raise rw.gen.Return(settings)